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blink/checked.h: fix syntax error when building with GCC 9.4 (#150)
``` blink/checked.h:10:47: error: missing binary operator before token "(" 10 | (defined(__has_builtin) && (__has_builtin(__builtin_add_overflow) && \ | ^ ``` Co-authored-by: tkchia <[email protected]>
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Original file line number | Diff line number | Diff line change |
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@@ -1,23 +1,41 @@ | ||
#ifndef EASYCKDINT_H_ | ||
#define EASYCKDINT_H_ | ||
#if defined(__has_include) && __has_include(<stdckdint.h>) | ||
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#ifdef __has_include | ||
#if __has_include(<stdckdint.h>) | ||
#include <stdckdint.h> | ||
#else | ||
#ifndef ckd_add | ||
#error "<stdckdint.h> lacks ckd_add() macro?" | ||
#endif /* !ckd_add */ | ||
#endif /* <stdckdint.h> */ | ||
#endif /* __has_include */ | ||
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#ifndef ckd_add | ||
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#define __STDC_VERSION_STDCKDINT_H__ 202311L | ||
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#if ((defined(__GNUC__) && __GNUC__ >= 5 && !defined(__ICC)) || \ | ||
(defined(__has_builtin) && (__has_builtin(__builtin_add_overflow) && \ | ||
__has_builtin(__builtin_sub_overflow) && \ | ||
__has_builtin(__builtin_mul_overflow)))) | ||
#if defined(__GNUC__) && __GNUC__ >= 5 && !defined(__ICC) | ||
#define ckd_add(res, x, y) __builtin_add_overflow((x), (y), (res)) | ||
#define ckd_sub(res, x, y) __builtin_sub_overflow((x), (y), (res)) | ||
#define ckd_mul(res, x, y) __builtin_mul_overflow((x), (y), (res)) | ||
#endif /* __GNUC__ >= 5 && !__ICC */ | ||
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#if !defined(ckd_add) && defined(__has_builtin) | ||
#if __has_builtin(__builtin_add_overflow) && \ | ||
__has_builtin(__builtin_sub_overflow) && \ | ||
__has_builtin(__builtin_mul_overflow) | ||
#define ckd_add(res, x, y) __builtin_add_overflow((x), (y), (res)) | ||
#define ckd_sub(res, x, y) __builtin_sub_overflow((x), (y), (res)) | ||
#define ckd_mul(res, x, y) __builtin_mul_overflow((x), (y), (res)) | ||
#else | ||
#endif /* __builtin_..._overflow */ | ||
#endif /* !ckd_add && __has_builtin */ | ||
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#ifndef ckd_add /* FIXME */ | ||
#define ckd_add(res, x, y) (*(res) = (x) + (y), 0) | ||
#define ckd_sub(res, x, y) (*(res) = (x) - (y), 0) | ||
#define ckd_mul(res, x, y) (*(res) = (x) * (y), 0) | ||
#endif | ||
#endif /* !ckd_add */ | ||
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#endif /* !ckd_add */ | ||
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#endif /* <stdckdint.h> */ | ||
#endif /* EASYCKDINT_H_ */ |